Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High tower large-span upper cross beam operation platform and construction method
The invention relates to a high-tower large-span upper cross beam operation platform and a construction method, and the construction method comprises the following construction steps: mounting and fixing an attached triangular support frame on a tower column, and mounting a transverse support jack, a support steel pipe and a sliding unloading block; a vertical adjusting jack, longitudinal distribution section steel and a bailey truss are placed, and square wood joists, an upper cross beam bottom die and a tensioning operation platform are installed on the bailey truss; pouring construction of an upper cross beam and tensioning operation of prestressed tendons are conducted; the transverse reverse thrust jack, the reaction frame, the fastening bolt and the locking block are dismantled, and the transverse supporting jack is retracted to enable the attached triangular supporting frame to be separated from the tower column; and the winch is started to release the steel wire rope downwards, and the upper cross beam operation platform is integrally lowered to the bridge floor. The method has the beneficial effects that dismantling is conducted in an overall lowering mode, and the problem that in a traditional construction method, after upper cross beam construction is completed, a work platform is difficult to dismantle is effectively solved.
本发明涉及一种高塔大跨度上横梁作业平台及施工方法，包括如下施工步骤：将附着式三角支撑架安装固定在塔柱上，并安装横向支撑千斤顶、支撑钢管以及滑动卸荷块；安放竖向调节千斤顶、纵向分配型钢及贝雷架，在贝雷架上安设方形楞木及上横梁底模及张拉作业平台；进行上横梁浇筑施工以及预应力筋张拉作业；拆除横向反推千斤顶、反力架、紧固螺栓及锁定块并回缩横向支撑千斤顶使附着式三角支撑架与塔柱脱离；启动卷扬机向下释放钢丝绳，将上横梁作业平台整体下放至桥面上。本发明的有益效果是：采用整体下放的方式进行拆除，有效解决了传统施工方法存在的上横梁施工完成后作业平台拆除困难的问题。
High tower large-span upper cross beam operation platform and construction method
The invention relates to a high-tower large-span upper cross beam operation platform and a construction method, and the construction method comprises the following construction steps: mounting and fixing an attached triangular support frame on a tower column, and mounting a transverse support jack, a support steel pipe and a sliding unloading block; a vertical adjusting jack, longitudinal distribution section steel and a bailey truss are placed, and square wood joists, an upper cross beam bottom die and a tensioning operation platform are installed on the bailey truss; pouring construction of an upper cross beam and tensioning operation of prestressed tendons are conducted; the transverse reverse thrust jack, the reaction frame, the fastening bolt and the locking block are dismantled, and the transverse supporting jack is retracted to enable the attached triangular supporting frame to be separated from the tower column; and the winch is started to release the steel wire rope downwards, and the upper cross beam operation platform is integrally lowered to the bridge floor. The method has the beneficial effects that dismantling is conducted in an overall lowering mode, and the problem that in a traditional construction method, after upper cross beam construction is completed, a work platform is difficult to dismantle is effectively solved.
本发明涉及一种高塔大跨度上横梁作业平台及施工方法，包括如下施工步骤：将附着式三角支撑架安装固定在塔柱上，并安装横向支撑千斤顶、支撑钢管以及滑动卸荷块；安放竖向调节千斤顶、纵向分配型钢及贝雷架，在贝雷架上安设方形楞木及上横梁底模及张拉作业平台；进行上横梁浇筑施工以及预应力筋张拉作业；拆除横向反推千斤顶、反力架、紧固螺栓及锁定块并回缩横向支撑千斤顶使附着式三角支撑架与塔柱脱离；启动卷扬机向下释放钢丝绳，将上横梁作业平台整体下放至桥面上。本发明的有益效果是：采用整体下放的方式进行拆除，有效解决了传统施工方法存在的上横梁施工完成后作业平台拆除困难的问题。
High tower large-span upper cross beam operation platform and construction method
高塔大跨度上横梁作业平台及施工方法
CUI JIAN (Autor:in) / WANG JIAQI (Autor:in) / FANG ANG (Autor:in) / WEI MING (Autor:in) / JING HANLIN (Autor:in) / YANG QING (Autor:in)
23.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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